#include<stdio.h>
#include<math.h>
main()
{
double y;
int x,m;
for(y=1;y>=-1;y-=0.1)
{
m=acos(y)*10;
for(x=1;x<m;x++)
printf(" ");
printf("*");
for(;x<62-m;x++)
printf(" ");
printf("*\n");
}
getch();
}